Welt-beating machine



July w, 1923.

F. N. LA CHAPELLE WELT BEATING MACHINE Filed April 15. 1921 3Sheets-Sheet 1 July 10, 1923. mmwz F. N. LA CHAPELLIE WELT SEATINGMACHINE Filed April 15, 1921 3 $hGGtIE-Shfifit 2 HAMDQZ F. N. LACHAPELLE WELT BEATING- MACHINE 3 shees-sheet 5 Filed April 15 1921Patented duly lid, 1923.

FRED N. LA CHAPELLE, or BEVERLY,

I/IASSACHUSETTS, '10 UNITED SHOE MACHINERY CORPORATION, OF PATERSON,NEW? JERSEY, A CORPORATION OF NEW' JERSEY.

WELT-BEATING MACI-IL'NE.

Application filed April 15, 1921.

To ail whom it may concern."

Be it known that I, FRED N. LA CHAPELLE, a citizen of the United States,residing at Beverly, in the county of Essex and State of Massachusetts,have invented certain new and useful Improvements in Halt-BeatingMachines; and I do hereby declare the following to be a full, clear, andexact description of the invention, such as will enable others skilledin the art to which it apper tains to make and use the same.

The present invention relates to machines for use in the manufacture ofshoes and more particularly to machines for use in beating out a weltafter it is attached to the upper and insole of a shoe to cause the weltto lie flat substantially in the plane of the insole.

The sidewise deflection of the welt in applying it to the toe of a shoe,particularly of a pointed toe shoe, causes this portion of the welt toturn or curl up, and in order for the welt beating machines at presentin common use to properly beat out the welt it is usually necessary toprovide this portion of the welt with a series of cuts or slashes in itsunder surface to enable the outer edge thereof to stretch suflicientlyduring the beating out operation to bring it into the plane of theinsole. It has been found, however, that in certain classes of work,such cutting or slashing of the welt is obj ectionable as the slashestend to weaken the welt. Accordingly, the principal object of thepresent invention is to provide a novel and improved welt beatingmachine which is adapted to properly beat out the welt without thenecessity of subjecting the welt to a slashing operation.

The principal object of the invention is to provide a novel and improvedmachine of this type which is adapted to operate effectively upon theportion of the welt extending about the toe of the shoe as well as uponthe portions extending about the sides of the shoe without the necessityof subjecting the welt to a slashing operation and without danger ofweakening or otherwise injuring the Welt.

With this object in View a feature of the invention contemplates theprovision in a Welt beating machine of mechanism for beating out a weltwhich mechanism is capa- .ble of being controlled. during the operationof the machine to vary the force of the blows imparted to the outer edgeportion of Serial No. 461,557.

the welt as compared with the force of the blows imparted to the inneredge portion. With this construction it will be apparent that during theoperation of the machine when the toe of the shoe is reached, the welt.

beating mechanism by being controlled to impart blows acting withgreater force on the outer edge portion than on the inner edge portionof the welt to compensate for the curled up condition of the welt aboutthe toe of the shoe, will cause the outer edge portion of the welt to bestretched sufliciently t enable it to lie flat in the plane of theinsole, and while operating on the remaining portions of the welt, thewelt beating mechanism may be controlled to op erate in the usual mannerto impart blows acting with substantially the same force on both theouter and inner edge portions of the welt. It will also be apparent thatwith this construction it is not necessary for the welt to be slashedbefore or during the welt beatinu operation, and as the welt may bemaintained substantially flat during the welt beating operation there isno danger of the welt being scarred or otherwise injured. In thepreferred embodiment of the invention the objects of the invention areattained by the provision of a reciprocating hammer and a cooperatinganvil which are adapted to be relatively adjusted during the, opera tionof the machine to vary the angular relation of their working faces insuch a manner that the force of the blow of the hammer on the outer edgeportion of thewelt may be varied as desired. This result may, however,be accomplished in other ways, as by providing a wedgeshaped tool whichmay be inserted between the welt and the anvil to act as an auxiliaryanvil to cooperate with the hammer when the toe portion of the welt isreached, the tool being withdrawn while the machine is operating on theremaining portions of the welt to enable the anvil and hammer to act inthe usual manner.

For the sake of simplicity of construction such relative adjustment ofthe hammer and anvil is preferably accomplished by adjusting the anvil,and in the preferred em bodiment of the invention the anvil is adaptedto be adjusted in an are about a point substantially at the forward edgeof the working face of the anvil so that the force of the blow on theouter edge portion of the welt may be varied without materialy affectingthe force of the blow 011 the inner edge portion of the welt.

Other features of the invention consist in certain constructions,arrangements and combinations of parts hereinafter described andclaimed, the advantages of which will be obvious to those skilled in theart.

The several features of the invention will be clearly understood fromthe following description and accompanying drawings, in which:

Figure l is a right side elevation of the upper portion of a welt eatingmachine embodying the features in their preferred form with the casingof the machine shown in section; Figs. 2 and 3 are sectional plan viewstaken on the lines 2-2 and 3--3 of Fig. 1; Fig. t is a detail sideelevation of portions of the hammer and anvil engaging a welt with thean il adjusted to cause the hammer to strike with greater force on theouter edge portion of thewelt than on the inner edge portion; Fig. 5 isa side elevation oi. a welt beating machine which is a modification. ofthe machine illustrated in the preceding figures; Fig. (3 is a detailside elevation of a portion of the hammer, anvil and impact receivingtool or auxiliary anvil, the hammer and auxiliary anvil being shownacting on the work; Fig. 7 a plan view of themachine illusi't-rated in F5; and lli 's. 8 and 9 are detail plan and end elevations of an impactreceiving tool or auxiliary anvil constituting a component part of themachine illustrated in Figs. 5 and 6.

The machine illustrated in Figs. l to l, in elusive, of the drawings isprovided with a vertically reciprocating hammer f2 and acooperatinganvil l. The hammer 2 is formed on the lower end ot adownwardly spring pressed plunger rod t3 mounted in a cylindricalbearing 8 forming a part of a vertically reciprocating carrier it). Thecarrier 10 is vertically guided by a rod 12 secured to the carrier andmounted to slide in a cylin drical bearing 14: formed on the forwardportion of a bracket arm 16- projecting from a bearing post 18 oftheframe of the machine. The upper portion of the rod 12 extends through avertical aperture in the rear end of an arm 20, forming a part of thecarrier 10, and is clamped to the arm by a shoulder 22 formed on the rodengaging the lower side of the arm and a clamping nut 23 screw-threadedon the upper end of the rod. The hammer and carrier are held fromlateral movement by bosses 24 formed on opposite sides of the arm 20 insliding engagement with gibs formed on the casing or frame of the machine. The carrier 10 is verl'i fially reciproated by a driving shaft 30extending through and jourualed in a bearing formed at the upper end ofthe post 13. The connection between the driving shaft 3t) and thecarrier 10 comprises a balance wheel secu ed to the forward end of theshaft and carrying a roll 3% mounted eccentrically to the shaft whichengages a horizontal groove formed in the rear end of the arm 20 of thecarrier. t will be apparent that this mechanism for acti'iat-ing thehammer is of simple construction and will operate at high speed withoutundue shock or jar.

The rear portion of the anvil is bifurcated to provide segmental arms 38arranged at opposite sides of the cylindrical bearing l-l of the bracketarm l6. T he outer sides of the segmental arms 38 are provided withgrooves 10 which are concentric with a point at the forward e-zilge ofthe. working face of the anvil and are in sliding eng c ment withtongues or gibs 42 formed on r posite sides ot the machine casingi W"this construction. it will be apparent that by shifting the anvil on thetongues or gibs the working face of the anvil may be tilted about itstea-ward edge as a center. The means for thus adjusting the anvilcompria rock shaft extending through and jour naled in the bracket 16between the cylindrical boss ti and the bearing post The connectionbetween the shaft 4A and the anvil comprises an eccentric dish tosecured to the right hand end of the shaft which on gages a blocl-t l8mounted to slide between gibs 5U projecting rearwariflly from one or thesegmental arms 38 of the anvil an arm 52 is secured to the left hand endof the rock shaft ell and is connected by a rod 5a with treadlemechanism at the base of the machine.

Upon depressing the treadle rod the rear portion of the anvil is movedupwardly on the gibs 42 to tilt the working face of the anvil upwardlyat an angle to the working face of the hammer. Upon releasing thetreadle rod 5% a spring connected therewith acts to move the rearportion of the anvil downwardly to its normal position against a stoppin 56 secured to the lower end of one of the gibs at?) which positionsthe working face of the anvil in a horizontal plane or in a planesubstantially parallel with the working face of the hammer. ll hilcoperating on the portions of the welt extent ing about the sides of theshoe the anvil is thus held with its working face in a substantiallyhorizontal plane, that'the harnmer will operate with the s:- no force onthe outer and inner edge portion of the welt, and when the portion ofthe welt extending about the toe of the shoe is rcacln-zcn the operatorby depressing the treadle rod 54 will tilt the working face of the anvilto cause the hammer to act with greater force on the outer edge portionof the welt than on the inner edge portion, as illustrated. in Fig. 4:.it will be apparent that by depressthe operator mayvary the relativebeating out action or blowsimparted by the hammer on the outer andinner. welt.

The machine illustrated in vlligs. 5 to 9, inclusive, is provided with astationary anvil 58 and a reciprocating hammer 60. The anvil 58 isformedon the forward end of a bar 62 which is supported on a bracket64projecting from the frame of the machine and is secured to the bracketby a bolt 66. The bolt 66 extends through an elongated slot in thebracket and is screw threaded into the bar 62 toprovide for longitudinaladjustment of the anvil. The hammer 60 is formed on the lower end of adownwardly spring pressed plunger rod 68 mounted in a cylindricalbearing 70 formed on the forward end of a rocking beam 72' The beam 72is pivotally mountedmidway of its ends on a stud shaft 74 supported byears 76 on the machine frame. The rear end of ,the rocking beam 72 isbifurcated to engage a block 7 8 pivotally mounted on an eccentric 80formed on the driving shaft .82, by means of which the rocking beam isactuated to reciprocate the hammer. .The hammer is so positioned thatits working face is in aplane substantially parallel with the workingface of the anvil when the hammer strikes the work, and during theoperation of the machine on the portions of the welt extending about thesides of the shoe the hammer and anvil cooperate in the usual manner tobeat out the welt. When the portion of the welt extending about the toeof the shoe is reached a tool or auxiliary anvil 84 is moved intoposition between the welt and the anvil 58 to cooperate with the hammerin beating out this portion of the welt. The working face of the tool 84is substantially of the same size and shape as the working face of theanvil, and the tool is relatively thin and wedge-shaped to enable it tobe easily inserted beneath the welt and to cause the outer edge portionof the welt to receive a greater stretching or beating out action thanthe inner edge portion by the impact of the hammer as illustrated inbig. 6.

The tool 84 is formed on the forward end of a plunger rod 86 extendingthrough and mounted to slide in a cylindrical bearing 88 and held fromturning movement by a key 90 on the bearing engaging a longitudinal slotin the plunger. The plunger 86 is urged forwardly by a spring 92 coiledabout the rod and interposed between a shoulder on the rod and ashoulder formed near the rear end of the cylindrical bearing 88, andsuch forward movement of the rod is limited by stop nuts 94screw-threaded on the rear end of the rod engaging the rear end of thehearing. The cylindrical bearing 88 is formed on a depending bracket 96proedge portions of the tool to inoperative position.

vanced .andretracted to move the tool 84 into and ontof operativeposition by means ofa bell crank 100 pivotallymounted on a stud 102secured to the frame of the machine. The upper end of an arm 103 ofthebell crank .100 ,is .bifurcatedto engage a block 104 pivotallymonnted onthesliding bar ,98,.and theptherarm of the bell crank is connectedhy arod1106 with treadle mech anism at the base ofthemacliine. The arm 103is urged.rearwardly.against a stop pin 108 secured -t o the machineframe to maintain thetool .84 in inoperative position by means; ofa.,coil spring 110 connected with the arm. With thisconstruction it willbe apparent that upon depressing the treadle rod 16 ,6tlie tool .84 maybe moved into operativeposition, andthatupon releasing the treadlerod-the spring 110 will return the The yielding connection between thetool 84 and the sliding carrier 98 obviate s any ,danger of the workerparts of the machine being injured in case it is attempted to advancethe tool while the hammer is in engagement with the .work.

The .nature and scope of the .present .invention having been indicatedand a machine embodying the several features of the invention in theirpreferred form having been specifically described, what is claimed1s2- 1. A welt beating machine having, in 0011] bination, an anvil, areciprocating hammer to cooperate with the anvil to beat out a welt, andmeans for relatively adjusting the hammer and anvil during the operationof the machine to vary the angular relation of the working faces of thehammer and anvil.

2. A welt beating machine having, in combination, an anvil, areciprocating hammer for cooperating with the anvil to beat out a welt,and treadle controllable means for relatively adjusting the hammer andanvil to vary the angular relation of the working faces of the hammerand anvil.

3. A welt beating machine having, in combination, an anvil, areciprocating hammer to cooperate with the anvil to beat out a welt, andmeans for adjusting the anvil during the operation of the machine tovary the angular relation of the working faces of the hammer and anvil.

4. A welt beating machine having, in combination, an anvil capable ofbeing adjusted in an are about a point located sub stantially at theforward edge of the working face thereof, and a reciprocating hammer tocooperate with the anvil to beat out a welt.

5. A welt beating machine having, in

combination, mechanism for beating out a welt capable of beingcontrolled to vary the force of the blows on the outer edge portion ofthe welt as compared with the force of the blows on the inner edgeportion of the welt, and means for thus controlling said mechanismduring the operation of the machine.

6. A welt beating machine having, in combination, a hammer an anvil tocooperate therewith, means for adjusting the anvil in an are about apoint substantiallyat the forward edge of the working face of the anvilcomprising a curved guiding member on which the anvil is mounted toslide, a cam for moving the anvil on said curved guiding member, andtreadle controllable means for actuating the cam.

7. A welt beating machine having, in combination, a hammer havingsubstantially flat working face, and mechanism to cooperate therewith tobeat out a welt capable of being controlled during the operation of themachine to vary the force oil? the blows on the outer edge portion asco1npared with the force of the blows on the inner edge portion 0:1":the welt.

8. A welt beating machine having, in combination, an anvil, a hammercooperat- I0 ing therewith, a vertically reciprocating carrier for thehammer, an arm projecting rearwardly from the carrier, a vertical rodcombination, an anvil, a hammer to cooperate therowitln a verticallyreciprocating carrier for the haanner, a rotating balance wheel and aroll cccentrically mounted on the balance wheel engaging a horizontalslot in the carrier for actuating the carrier" 10. A welt beating"machine having, in combination, inechan no for beating out a welt whilemaintaini the welt substantially fiat capable of being controlled tovary the force of the blows on the outer edge poi tion or"? the welt ascompared with the force oi the blows on the inner edge portion of thewelt.,' and means for thus controlling said mechanism during theoperation of the machine.

FRED N. LA CHAPELLE.

